πεῖρα G3984
peîra · pi'-rah · Noun Feminine
from the base of πέραν (through the idea of piercing); a test, i.e. attempt, experience:--assaying, trial.
2 Occurrences in the King James Bible
Hebrews 11:29By faith they passed through the Red sea as by dry land: which the Egyptians assaying to do were drowned.
Hebrews 11:36And others had trial of cruel mockings and scourgings, yea, moreover of bonds and imprisonment: